Does any one know how to make some money as a kid?

im 11 and i really wants some money my xbox live membership expired i play call of duty 5 and i want this airsoft gun all together i need to know how to make some money like $110 so any help i got all summer
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ok two words mow lawns. i now it sounds stupid but seriously some people pay 20-30 dollars per lawn, so if you mow 4 or 5 lawns there's 100$, it worked for me. so with a little hard work and patience you'll make 110 in no time.
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Since you are 11, you may be a bit too young for babysitting, but who knows? Find someone who you know well that has kids and offer to babysit for minimum wage (8 bucks an hour). Also, a lemonade stand sounds lame, but it's not. Put on your cute dimples and smile at passerbys, guarentee they will give you money just because you are cute. What do your parents do for a living? See if they need any help at work. Do you like animals? Offer to walk some neighbor's dogs. Offer to wash cars, mow lawns, and other chores for neighbors. Just put on a cute smile and I am sure they will find something for you to do.